We need to configure your browser!

At this point, you should see the following dialog on the top of your browser, asking authorization to run the Flash plugin for this website, just like the following image. To continue, click in the button "Allow".

On the address bar of your browser you should see an exclamation icon, clicking in this icon you will see a context menu with some options, on the flash option you must select the action "Always allow on this site".